WO2005011860A3 - Pulverförmige, wasserabsorbierende polymere mit mittels thermoplastischen klebstoffen gebundenen feinteilchen - Google Patents

Pulverförmige, wasserabsorbierende polymere mit mittels thermoplastischen klebstoffen gebundenen feinteilchen Download PDF

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Publication number
WO2005011860A3
WO2005011860A3 PCT/EP2004/008184 EP2004008184W WO2005011860A3 WO 2005011860 A3 WO2005011860 A3 WO 2005011860A3 EP 2004008184 W EP2004008184 W EP 2004008184W WO 2005011860 A3 WO2005011860 A3 WO 2005011860A3
Authority
WO
WIPO (PCT)
Prior art keywords
water
absorbent polymers
powdery
fine particles
percent
Prior art date
Application number
PCT/EP2004/008184
Other languages
English (en)
French (fr)
Other versions
WO2005011860A2 (de
Inventor
Frank Loeker
Heinz Bremus
Scott Smith
Original Assignee
Stockhausen Chem Fab Gmbh
Frank Loeker
Heinz Bremus
Scott Smith
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34111691&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2005011860(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stockhausen Chem Fab Gmbh, Frank Loeker, Heinz Bremus, Scott Smith filed Critical Stockhausen Chem Fab Gmbh
Priority to US10/565,770 priority Critical patent/US7842386B2/en
Priority to BRPI0412852A priority patent/BRPI0412852B1/pt
Priority to JP2006520790A priority patent/JP4829786B2/ja
Priority to EP04763393.8A priority patent/EP1648603B1/de
Publication of WO2005011860A2 publication Critical patent/WO2005011860A2/de
Publication of WO2005011860A3 publication Critical patent/WO2005011860A3/de
Priority to US12/882,594 priority patent/US8288002B2/en
Priority to US13/606,196 priority patent/US8518541B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer

Abstract

Die vorliegende Erfindung betrifft pulverförmige wasserabsorbierende Polymere, beinhaltend als Bestandteile: 0,01 bis 20 Gew.-% eines Feinteilchens mit einer Teilchengröße von weniger als 200 µm; 0,001 bis 10 Gew.-% eines thermoplastischen Klebstoffs; 60 bis 99,998 Gew.-% eines wasserabsorbierenden Polymerteilchens mit einer Teilchengröße von 200 µm und mehr, wobei die Feinteilchen mit der Oberfläche des wasserabsorbierenden Polymerteilchens über den thermoplastischen Schmelzklebstoff verbunden sind und die pulverförmigen wasserabsorbierenden Polymere entweder: einen Fließ-Wert (FFC) im Bereich von 1 bis 13; oder einen Staubanteil von höchstens 6 zeigen; sowie ein Verfahren zur Herstellung pulverförmiger wasserabsorbierender Polymere, die durch dieses Verfahren erhältlichen pulverförmigen wasserabsorbierenden Polymere, ein Transportverfahren, einen Verbund, chemische Produkte sowie die Verwendung eines thermoplastischen Klebstoffes.
PCT/EP2004/008184 2003-07-25 2004-07-22 Pulverförmige, wasserabsorbierende polymere mit mittels thermoplastischen klebstoffen gebundenen feinteilchen WO2005011860A2 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US10/565,770 US7842386B2 (en) 2003-07-25 2004-07-22 Powdery water-absorbing polymers with fine particles bound by thermoplastic adhesives
BRPI0412852A BRPI0412852B1 (pt) 2003-07-25 2004-07-22 polímeros pulverulentos absorvedores de água, processo para a produção de polímeros pulverulentos absorvedores de água, processo de transporte, compósito produtos químicos e uso de um adesivo termoplástico para alteração do valor de fluidez (ffc) ou da porção de fuligem em polímeros pulverulentos absorvedores de água
JP2006520790A JP4829786B2 (ja) 2003-07-25 2004-07-22 熱可塑性接着剤によって結合された微粒子を有する粉末状吸水性ポリマー
EP04763393.8A EP1648603B1 (de) 2003-07-25 2004-07-22 Pulverförmige, wasserabsorbierende polymere mit mittels thermoplastischen klebstoffen gebundenen feinteilchen
US12/882,594 US8288002B2 (en) 2003-07-25 2010-09-15 Water-absorbing polymer particles with thermoplastic coating
US13/606,196 US8518541B2 (en) 2003-07-25 2012-09-07 Powdery water-absorbing polymers with fine particles bound by thermoplastic adhesives

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10334286A DE10334286B4 (de) 2003-07-25 2003-07-25 Pulverförmige,wasserabsorbierende Polymere mit mittels thermoplastischen Klebstoffen gebundenen Feinteilchen, Verfahren zu deren Herstellung sowie diese beinhaltende chemische Produkte und Verbunde
DE10334286.9 2003-07-25

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10/565,770 A-371-Of-International US7842386B2 (en) 2003-07-25 2004-07-22 Powdery water-absorbing polymers with fine particles bound by thermoplastic adhesives
US12/882,594 Continuation US8288002B2 (en) 2003-07-25 2010-09-15 Water-absorbing polymer particles with thermoplastic coating

Publications (2)

Publication Number Publication Date
WO2005011860A2 WO2005011860A2 (de) 2005-02-10
WO2005011860A3 true WO2005011860A3 (de) 2006-05-04

Family

ID=34111691

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/008184 WO2005011860A2 (de) 2003-07-25 2004-07-22 Pulverförmige, wasserabsorbierende polymere mit mittels thermoplastischen klebstoffen gebundenen feinteilchen

Country Status (9)

Country Link
US (3) US7842386B2 (de)
EP (1) EP1648603B1 (de)
JP (1) JP4829786B2 (de)
KR (1) KR101044581B1 (de)
CN (1) CN100551447C (de)
BR (1) BRPI0412852B1 (de)
DE (1) DE10334286B4 (de)
TW (1) TWI371311B (de)
WO (1) WO2005011860A2 (de)

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US8445596B2 (en) 1999-03-05 2013-05-21 Evonik Stockhausen Gmbh Powdery, cross-linked absorbent polymers, method for the production thereof, and their use
US8883881B2 (en) 2003-10-31 2014-11-11 Evonik Corporation Superabsorbent polymer with high permeability

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EP1541568A1 (de) * 2003-12-09 2005-06-15 Deutsches Wollforschungsinstitut an der Rheinisch-Westfälischen Technischen Hochschule Aachen e.V. Reaktive cyclische Carbonate und Harnstoffe zur Modifizierung von Biomolekülen, Polymeren und Oberflächen
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US8288002B2 (en) 2012-10-16
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US7842386B2 (en) 2010-11-30
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